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2010-10-24KVM: x86 emulator: consolidate Jcc rel32 decodingAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: consolidate CMOVcc decodingAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: consolidate MOV reg, imm decodingAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: consolidate Jcc rel8 decodingAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: consolidate push/pop reg decodingAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: consolidate inc/dec reg decodingAvi Kivity
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: add macros for repetitive instructionsAvi Kivity
Some instructions are repetitive in the opcode space, add macros for consolidating them. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-24KVM: x86 emulator: fix handling for unemulated instructionsAvi Kivity
If an instruction is present in the decode tables but not in the execution switch, it will be emulated as a NOP. An example is IRET (0xcf). Fix by adding default: labels to the execution switches. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2010-10-23HID: fix mismerge in hid-lgJiri Kosina
Fix wrong merge in hid-lg -- report fixup functions now get pointer to rdesc. Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2010-10-23Merge branch 'waltop' into for-linusJiri Kosina
2010-10-23IB/mlx4: Signal node desc changes to SM by using FW to generate trap 144Jack Morgenstein
The Node Description cannot be changed via MADs (it is read-only). Until now, it was changed in the driver via sysfs, and the new Node Description was simply inserted by the driver into MAD responses (replacing the description returned by FW). System startup scripts use the sysfs interface to change the node description at driver startup to show the hostname, etc. However, this has a race condition: the SM could discover the original FW node description rather than the system-specific description if it queried the port before the startup scripts finish running. For mlx4, we fix this with a new FW command (SET_NODE) that allows passing the new node description to FW. When this command is invoked, FW sends a trap 144 to the SM. When it gets this trap, the SM can query the node to obtain the new node description -- thus eliminating the effects of the race. This patch simply calls SET_NODE command when a new node description is entered via sysfs (thus causing trap 144 to be issued by the FW). We ignore all failures of the SET_NODE command (including those caused by using a device FW that predates the SET_NODE command), since in that case things work just as before. Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-23Merge branch 'uc-logic' into for-linusJiri Kosina
Conflicts: drivers/hid/hid-ids.h drivers/hid/hid-lg.c drivers/hid/usbhid/hid-quirks.c
2010-10-23Merge branches '3m', 'egalax', 'logitech', 'magicmouse', 'ntrig' and ↵Jiri Kosina
'roccat' into for-linus
2010-10-23IB: Replace EXTRA_CFLAGS with ccflags-ymatt mooney
Signed-off-by: matt mooney <mfm@muteddisk.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-23Merge branches 'upstream' and 'upstream-fixes' into for-linusJiri Kosina
2010-10-23RDMA/ucma: Allow tuning the max listen backlogSteve Wise
For iWARP connections, the connect request is carried in a TCP payload on an already established TCP connection. So if the ucma's backlog is full, the connection request is transmitted and acked at the TCP level by the time the connect request gets dropped in the ucma. The end result is the connection gets rejected by the iWARP provider. Further, a 32 node 256NP OpenMPI job will generate > 128 connect requests on some ranks. This patch increases the default max backlog to 1024, and adds a sysctl variable so the backlog can be adjusted at run time. Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-23IPoIB: Set dev_id field of net_deviceEli Cohen
Use the net device's dev_id field to encode the port number of the pci device. This can be used to to associate a net device with the pci device's port. The encoding is: dev_id = port - 1. Signed-off-by: Eli Cohen <eli@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
2010-10-23[media] imon: fix nomouse modprobe optionJarod Wilson
Pointed out by Bonne Eggleston on the lirc list. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-23[media] imon: remove redundant change_protocol callJarod Wilson
There was a redundant call to imon_ir_change_protocol -- its already getting called from ir_input_register. Also do some minor housekeeping with var names and formatting. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-23[media] imon: fix my egregious brown paper bag w/rdev/idev splitJarod Wilson
Somehow, I managed to screw things up when reworking the rdev/idev split patch from David, and started trying to get ir_input_dev from idev instead of rdev, thus resulting in button presses hanging the system. This fixes it. Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-10-23NFSv4: Fix a regression in decode_getfattrTrond Myklebust
We don't want to have the mounted_on_fileid overwrite the true fileid. We only return the former if the server didn't supply the true fileid. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFSv4: Fix up decode_attr_filehandle() to handle the case of empty fh pointerTrond Myklebust
decode_attr_filehandle still needs to skip the XDR-encoded filehandle if someone passes a null pointer argument. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: Ensure we check all allocation return values in new readdir codeTrond Myklebust
Also some clean ups. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: Readdir plus in v4Bryan Schumaker
By requsting more attributes during a readdir, we can mimic the readdir plus operation that was in NFSv3. To test, I ran the command `ls -lU --color=none` on directories with various numbers of files. Without readdir plus, I see this: n files | 100 | 1,000 | 10,000 | 100,000 | 1,000,000 --------+-----------+-----------+-----------+-----------+---------- real | 0m00.153s | 0m00.589s | 0m05.601s | 0m56.691s | 9m59.128s user | 0m00.007s | 0m00.007s | 0m00.077s | 0m00.703s | 0m06.800s sys | 0m00.010s | 0m00.070s | 0m00.633s | 0m06.423s | 1m10.005s access | 3 | 1 | 1 | 4 | 31 getattr | 2 | 1 | 1 | 1 | 1 lookup | 104 | 1,003 | 10,003 | 100,003 | 1,000,003 readdir | 2 | 16 | 158 | 1,575 | 15,749 total | 111 | 1,021 | 10,163 | 101,583 | 1,015,784 With readdir plus enabled, I see this: n files | 100 | 1,000 | 10,000 | 100,000 | 1,000,000 --------+-----------+-----------+-----------+-----------+---------- real | 0m00.115s | 0m00.206s | 0m01.079s | 0m12.521s | 2m07.528s user | 0m00.003s | 0m00.003s | 0m00.040s | 0m00.290s | 0m03.296s sys | 0m00.007s | 0m00.020s | 0m00.120s | 0m01.357s | 0m17.556s access | 3 | 1 | 1 | 1 | 7 getattr | 2 | 1 | 1 | 1 | 1 lookup | 4 | 3 | 3 | 3 | 3 readdir | 6 | 62 | 630 | 6,300 | 62,993 total | 15 | 67 | 635 | 6,305 | 63,004 Readdir plus disabled has about a 16x increase in the number of rpc calls and is 4 - 5 times slower on large directories. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: introduce generic decode_getattr functionBryan Schumaker
Getattr should be able to decode errors and the readdir file handle. decode_getfattr_attrs does the actual attribute decoding, while decode_getfattr_generic will check the opcode before decoding. This will let other functions call decode_getfattr_attrs to decode their attributes. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: check xdr_decode for errorsBryan Schumaker
Check if the decoded entry has the eof bit set when returning from xdr_decode with an error. If it does, we should set the eof bits in the array before returning. This should keep us from looping when we expect more data but the server doesn't give us anything new. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: nfs_readdir_filler catch all errorsBryan Schumaker
Check for all errors, not a specific one. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: readdir with vmapped pagesBryan Schumaker
We can use vmapped pages to read more information from the network at once. This will reduce the number of calls needed to complete a readdir. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> [trondmy: Added #include for linux/vmalloc.h> in fs/nfs/dir.c] Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: remove page size checking codeBryan Schumaker
Remove the page size checking code for a readdir decode. This is now done by decode_dirent with xdr_streams. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: decode_dirent should use an xdr_streamBryan Schumaker
Convert nfs*xdr.c to use an xdr stream in decode_dirent. This will prevent a kernel oops that has been occuring when reading a vmapped page. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23SUNRPC: Add a helper function xdr_inline_peekTrond Myklebust
We sometimes need to be able to read ahead in an xdr_stream without incrementing the current pointer position. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: remove readdir plus limitBryan Schumaker
We will now use readdir plus even on directories that are very large. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: re-add readdir plusBryan Schumaker
This patch adds readdir plus support to the cache array. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: Optimise the readdir searchesTrond Myklebust
If we're going through the loop in nfs_readdir() more than once, we usually do not want to restart searching from the beginning of the pages cache. We only want to do that if the previous search failed... Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFS: add readdir cache arrayBryan Schumaker
This patch adds the readdir cache array and functions to retreive the array stored on a cache page, clear the array by freeing allocated memory, add an entry to the array, and search the array for a given cookie. It then modifies readdir to make use of the new cache array. With the new cache array method, we no longer need some of this code. Finally, nfs_llseek_dir() will set file->f_pos to a value greater than 0 and desc->dir_cookie to zero. When we see this, readdir needs to find the file at position file->f_pos from the start of the directory. Signed-off-by: Bryan Schumaker <bjschuma@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23nfs: include ratelimit.h, fix nfs4state build errorRandy Dunlap
nfs4state.c uses interfaces from ratelimit.h. It needs to include that header file to fix build errors: fs/nfs/nfs4state.c:1195: warning: type defaults to 'int' in declaration of 'DEFINE_RATELIMIT_STATE' fs/nfs/nfs4state.c:1195: warning: parameter names (without types) in function declaration fs/nfs/nfs4state.c:1195: error: invalid storage class for function 'DEFINE_RATELIMIT_STATE' fs/nfs/nfs4state.c:1195: error: implicit declaration of function '__ratelimit' fs/nfs/nfs4state.c:1195: error: '_rs' undeclared (first use in this function) Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: linux-nfs@vger.kernel.org Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFSv4: The state manager must ignore EKEYEXPIRED.Trond Myklebust
Otherwise, we cannot recover state correctly. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23NFSv4: Don't ignore the error return codes from nfs_intent_set_fileTrond Myklebust
If nfs_intent_set_file() returns an error, we usually want to pass that back up the stack. Also ensure that nfs_open_revalidate() returns '1' on success. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2010-10-23Merge branch 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-blockLinus Torvalds
* 'for-2.6.37/core' of git://git.kernel.dk/linux-2.6-block: block: fix use-after-free bug in blk throttle code
2010-10-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
2010-10-23block: fix use-after-free bug in blk throttle codeJens Axboe
blk_throtl_exit() frees the throttle data hanging off the queue in blk_cleanup_queue(), but blk_put_queue() will indirectly dereference this data when calling blk_sync_queue() which in turns calls throtl_shutdown_timer_wq(). Fix this by moving the freeing of the throttle data to when the queue is truly being released, and post the call to blk_sync_queue(). Reported-by: Ingo Molnar <mingo@elte.hu> Tested-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-10-23tracing: Fix 'faild' -> 'failed' typoJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Kosina <trivial@kernel.org> LKML-Reference: <cd9855af60d7d90e9f55fc7afd0ed23fcdaa6f52.1287724261.git.joe@perches.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-23Merge branch 'perf/core' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux-2.6 into perf/urgent
2010-10-23ACPI / Battery: Return -ENODEV for unknown values in get_property()Rafael J. Wysocki
The function acpi_battery_get_property() is called by the power supply framework's function power_supply_show_property() implementing the sysfs interface for power supply devices as the ACPI battery driver's ->get_property() callback. Thus it is supposed to return error code if the value of the given property is unknown. Unfortunately, however, it returns 0 in those cases and puts a wrong (negative) value into the intval field of the union power_supply_propval object provided by power_supply_show_property(). In consequence, wrong negative values are read by user space from the battery's sysfs files. Fix this by making acpi_battery_get_property() return -ENODEV for properties with unknown values (-ENODEV is returned, because power_supply_uevent() returns with error for any other error code returned by power_supply_show_property()). Reported-and-tested-by: Sitsofe Wheeler <sitsofe@yahoo.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Len Brown <len.brown@intel.com>
2010-10-23x86, printk: Get rid of <0> from stack outputJiri Slaby
The stack output currently looks like this: 7fffffffffffffff 0000000a00000000 ffffffff81093341 0000000000000046 <0> ffff88003a545fd8 0000000000000000 0000000000000000 00007fffa39769c0 <0> ffff88003e403f58 ffffffff8102fc4c ffff88003e403f58 ffff88003e403f78 The superfluous <0> are caused by recent printk KERN_CONT change. <*> is now ignored in printk unless some text follows the level and even then it still has to be the first in the format message. Note that the log_lvl parameter is now completely ignored in show_stack_log_lvl and the stack is dumped with the default level (like for quite some time already). It behaves the same as the rest of the dump, function traces are dumped in the very same manner. Only Code and maybe some lines are printed with EMERG level. Unfortunately I see no way how to fix this conceptually to have the whole oops/BUG/panic output with the same level, so this removed only the superfluous characters for the time being. Just for illustration: <4>Process kworker/0:0 (pid: 0, threadinfo ffff88003c8a6000, task ffff88003c85c100) <0>Stack: <4> ffffffff818022c0 0000000a00000001 0000000000000001 0000000000000046 <4> ffff88003c8a7fd8 0000000000000001 ffff88003c8a7e58 0000000000000000 <4> ffff88003e503f48 ffffffff8102fc4c ffff88003e503f48 ffff88003e503f68 <0>Call Trace: <0> <IRQ> <4> [<ffffffff8102fc4c>] ? call_softirq+0x1c/0x30 ... <0>Code: 00 01 00 00 65 8b 04 25 80 c5 00 00 c7 45 ... Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: jirislaby@gmail.com Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andrew Morton <akpm@linux-foundation.org> LKML-Reference: <1287586131-16222-1-git-send-email-jslaby@suse.cz> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2010-10-23perf probe: Fix format specified for Dwarf_Off parameterArnaldo Carvalho de Melo
Fixing the following error on 32-bit arches: util/probe-finder.c: In function ‘line_range_search_cb’: util/probe-finder.c:1734: error: format ‘%lx’ expects type ‘long unsigned int’, but argument 3 has type ‘Dwarf_Off’ Reported-by: Ingo Molnar <mingo@elte.hu> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-10-23perf trace: Fix detection of script extensionBen Hutchings
The extension starts with the last dot in the name, not the first. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1286723462.2955.206.camel@localhost> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-10-23perf trace: Use $PERF_EXEC_PATH in canned report scriptsBen Hutchings
Set $PERF_EXEC_PATH before starting the record and report scripts, and make them use it where necessary. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1286723403.2955.205.camel@localhost> Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-10-23perf tools: Document event modifiersSonny Rao
Existing documentation doesn't discuss event modifiers, so add a description of what's currently possible to the documentation of perf-list. Cc: Ingo Molnar <mingo@elte.hu> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> LKML-Reference: <1287107460-12112-1-git-send-email-sonnyrao@linux.vnet.ibm.com> Signed-off-by: Sonny Rao <sonnyrao@linux.vnet.ibm.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2010-10-23Merge branches 'softirq-for-linus', 'x86-debug-for-linus', ↵Linus Torvalds
'x86-numa-for-linus', 'x86-quirks-for-linus', 'x86-setup-for-linus', 'x86-uv-for-linus' and 'x86-vm86-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'softirq-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: softirqs: Make wakeup_softirqd static * 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, asm: Restore parentheses around one pushl_cfi argument x86, asm: Fix ancient-GAS workaround x86, asm: Fix CFI macro invocations to deal with shortcomings in gas * 'x86-numa-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, numa: Assign CPUs to nodes in round-robin manner on fake NUMA * 'x86-quirks-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: HPET force enable for CX700 / VIA Epia LT * 'x86-setup-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, setup: Use string copy operation to optimze copy in kernel compression * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, UV: Use allocated buffer in tlb_uv.c:tunables_read() * 'x86-vm86-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, vm86: Fix preemption bug for int1 debug and int3 breakpoint handlers.
generated by cgit (git 2.34.1) at 2025-09-23 17:39:05 +0000